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chenwery/gist:e362e45661fd24420049

Created February 4, 2015 05:21
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http vary
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gistfile1.txt
也就是说 Vary 字段用于列出一个响应字段列表，告诉缓存服务器遇到同一个 URL 对应着不同版本文档的情况时，如何缓存和筛选合适的版本。
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